Home / 945,007.20-1,417,510.80-413,566.20

Finding the Fourth Proportional to 945,007.20, 1,417,510.80 and 413,566.20

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Solution

The fourth proportional to 945,007.20, 1,417,510.80 and 413,566.20 is: 620,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,007.20 : 1,417,510.80 = 413,566.20 : x
  2. Step 2: Convert to fraction form
    945,007.20/1,417,510.80 = 413,566.20/x
  3. Step 3: Cross multiply
    945,007.20x = 1,417,510.80 × 413,566.20
  4. Step 4: Simplify right side
    945,007.20x = 586,234,555,014.96
  5. Step 5: Solve for x
    x = 586,234,555,014.96/945,007.20
  6. Step 6: Final answer
    x = 620,349.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.